PHP remote file inclusion vulnerability in language/lang_french/lang_prillian_faq.php in the Prillian French 0.8.0 and earlier module for phpBB allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.
https://www.exploit-db.com/exploits/2550
https://exchange.xforce.ibmcloud.com/vulnerabilities/29565
http://www.vupen.com/english/advisories/2006/4040
http://www.securityfocus.com/archive/1/448663/100/0/threaded